Which of the following does NOT occur during prophase I of meiosis?
A. synapsis
B. crossing-over
C. independent assortment
D. nuclear membrane disappears
C. independent assortment
You might also like to view...
Multiple sclerosis (MS) is a progressive inflammatory disease of the central nervous system characterized by intermittent damage to myelin (called demyelination) caused by the destruction of specialized cells (oligodendrocytes) that form the substance. Given what you know about the function of myelin, predict the consequences associated with its progressive loss.
_____ Sensory abnormalities (e.g., tingling, numbness, itching, tightness, burning, shooting pain) and motor coordination loss. _____ Racing heartbeat, hyperactivity and nausea. _____ Low levels of potassium in the blood (hypokalemia). _____ Balance and equilibrium abnormalities (e.g., dizziness, vertigo, uncoordinated movements, tremor).
Which of the following processes exhibit saturation (transport rate plateaus at high concentration)?
a. Simple diffusion b. Facilitated diffusion c. Ion channel d. Secondary active transport
Four of the five answers listed below are heterotrophic. Select the exception
a. consumers b. carnivores c. herbivores d. parasites e. producers
Some members of the ____ phylum can trap small worms, which are then digested
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota